$(document).ready(function() {
	$("#btnBind").bind("click", clickHandler1);
	$("#btnBind").bind("click", clickHandler2);
	$("#btnBind").unbind("click", clickHandler2);
	$("#btnBind").on("click", clickHandler3);
	$("#btnBind").off("click", clickHandler1);
	
})

function clickHandler1(event) {
	alert("点击事件1");
}

function clickHandler2(event) {
	alert("点击事件2");
}

function clickHandler3(event) {
	console.log("点击3");
}
